Hawaiian Stream Goby and Similar Species
Awaous guamensis
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Open the appSeveral fish can be confused with Hawaiian Stream Goby. Here are the key differences.
Species often confused with {name}
Lentipes concolor
Lentipes concolor
Key differences: Lentipes concolor (O'opu 'alamo'o) has a more slender body, a smaller, more inferior mouth, and males exhibit vibrant red and black coloration during breeding. Awaous guamensis is generally larger and lacks the bright breeding colors.
Sicyopterus stimpsoni
Sicyopterus stimpsoni
Key differences: Sicyopterus stimpsoni (O'opu nōpili) has a more elongated body, a distinctive 'sucker-mouth' with numerous small teeth for scraping diatoms, and often exhibits more vibrant, iridescent coloration, especially in males. Awaous guamensis has a larger, less specialized mouth.
Stenogobius hawaiiensis
Stenogobius hawaiiensis
Key differences: Stenogobius hawaiiensis (O'opu naniha) is generally smaller, has a more pointed snout, and a less robust body. Its mouth is also smaller and more terminal compared to Awaous guamensis.
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